Check Valves
Spring-loaded non-return valves that stop reverse flow on small-bore lines.
● CHECK VALVESCertificate copies are shared with your enquiry on request.
Types we make.
Available types — sizes, materials and end connections confirmed against your specification.
Built to your spec.
| Range / variants | Spring loaded and non-return variants |
|---|---|
| Sizes & grades | As per your specification or drawing — share it with your RFQ |
| Product family | Instrumentation Valves |
| Certificates | EN 10204 3.1 as standard · 3.2 on request |
| Traceability | Grade and heat number marked on every part |
| Quality system | ISO 9001:2015 · CE · PED certified |
- Preventing reverse flow in small-bore instrument lines
- Protecting instruments and pumps from back-flow
- Sampling and chemical injection lines
- End connections and size
- Cracking-pressure requirement, if any
- Material grade
- Quantity
- EN 10204 3.1 certificates as standard, 3.2 on request
- Grade and heat number marked on every part
- ISO 9001:2015 · CE · PED certified company
- Buyer / third-party inspection welcome with notice
Check Valves: buyer questions.
Anything else? Our export desk is one WhatsApp away.
Sizes, end connections and material grades are confirmed against your specification. Send the size, pressure class and grade (or a drawing) and our team replies with the matching option, price and lead time.
Yes. EN 10204 3.1 material test certificates are supplied with every consignment; 3.2 (third-party) on request. Every part is marked with grade and heat number for traceability.
Size, end connection, material grade, quantity, applicable standard and delivery date — or simply attach your drawing or datasheet.
Yes — with export packing, inspection access and shipping documents (EXW, FOB or CIF as agreed).
From your enquiry
to dispatch, in six steps.
One accountable team from the first drawing to the export box — so you always know where your order stands.
- 01Enquiry
Send a size, tag number, RFQ sheet or drawing — on the website, WhatsApp or email.
- 02Drawing review
Our technical team checks size, connection, material and the standard you need.
- 03Quotation
Price, lead time and certificate scope confirmed in writing.
- 04Manufacturing
Mill-certified bar machined on CNC, threads gauged, grade and heat number marked.
- 05Inspection
Dimensional and visual checks; buyer or third-party inspection welcome with notice.
- 06Dispatch
Capped, bagged and labelled by PO line, with EN 10204 3.1 certificates and export documents.
More from Instrumentation Valves.





Let's talk spec.
Send a size, a drawing or just a tag number. An engineer — not a call centre — answers with price, lead time and the right grade.
Unit No. 21, Nikisha Industrial Estate, Western Express Highway, Mira Road East, Thane 401107, Maharashtra, India

